Individual provider Active NPI

Aida Esther Tossas, RN

  • Registered Nurse
  • San Juan, PR
National Provider Identifier
1932304227
Registry record updated Aug 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
License
19142 Issued in PR
Practice address
Pediatric University Hospital Third Floor Area C
Medical Center
San Juan, PR 00936-0000
Phone
(787) 777-3535
Fax
(787) 764-7004
NPI assigned
Jun 18, 2007
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 19142 PR Primary

Addresses

Primary practice location

Pediatric University Hospital Third Floor Area C
Medical Center
San Juan, PR 00936-0000

Mailing address

Edif. K Apt. K 202
Vista Serena
Trujillo Alto, PR 00976-0000
Phone (939) 642-1918

Other identifiers 1

IdentifierTypeStateIssuer
19142OtherPRREGISTER NURSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
19142PRMDRegistered Nurse

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1182124800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786233600000",
    "number": "1932304227",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "EDIF. K APT. K 202",
            "address_2": "VISTA SERENA",
            "city": "TRUJILLO ALTO",
            "state": "PR",
            "postal_code": "009760000",
            "telephone_number": "939-642-1918",
            "fax_number": "787-764-7004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "PEDIATRIC UNIVERSITY HOSPITAL THIRD FLOOR AREA C",
            "address_2": "MEDICAL CENTER",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "009360000",
            "telephone_number": "787-777-3535",
            "fax_number": "787-764-7004"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TOSSAS",
        "first_name": "AIDA",
        "middle_name": "ESTHER",
        "name_prefix": "Mrs.",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-06-18",
        "last_updated": "2026-08-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "PR",
            "license": "19142",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGISTER NURSE",
            "identifier": "19142",
            "state": "PR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Juan, PR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.